Этот ЭКНИС подойдёт тем, кто хочет следить за навигацией не поднимаясь на мостик. Простой и удобный интерфейс легко освоить без проблем. Для работы вам понадобится USB GPS v модуль. Рекомендую купить б.у. на Авито. Скачать программу можно на официальном сайте. ссылка в конце статьи.
Описание на английском:
OpenCPN is open source software, therefore it is totally free. It is a powerful alternative to Maxsea or Navi Sailor, and it has no crack or license issues. OpenCPN is under active development, therefore it is updated from time to time.
A Chartplotter and GPS Navigation Software.
OpenCPN is a free software (GPLv2) project to create a concise chartplotter and navigation software for use as an underway or planning tool. OpenCPN is developed by a team of active sailors using real world conditions for program testing and refinement.
Features
BSBv3 raster and S57 ENC chart support. CM93 vector chart support, with per cell offset corrections. IHO S52 compliant display of S57 vector charts. "BSB4" and "nv-chart" support through plugins. Single-chart and Quilted display modes. North-up, Course-up and Skewed-up display modes. Moving-map display mode. Route navigation with ship tracking functions. Waypoint navigation. Dashboard for configurable on-screen display of ship's NMEA data. NMEA 0183 GPS interface at selectable baud rate. gpsd library support. Autopilot output support. AIS input with full target tracking and collision alerting. Anchor watch/alarm functions. GRIB file input and display for weather forecasting. GPX Waypoint, Track and Route input and output file support. Route planning with tidal support. GPX Layers for annotation of charts. Tide and Current prediction and display by location. A growing number of plugins. Google Earth, World Magnetic Variation, Voyage Data Recorder, Chart
Скачать можно тут https://opencpn.org/OpenCPN/info/downloadopencpn.html